94561616549 has 4 divisors (see below), whose sum is σ = 94563277740. Its totient is φ = 94559955360.

The previous prime is 94561616533. The next prime is 94561616563.

94561616549 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47259716449 + 47301900100 = 217393^2 + 217490^2 .

It is a cyclic number.

It is not a de Polignac number, because 94561616549 - 2⁴ = 94561616533 is a prime.

It is a super-3 number, since 3×94561616549³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 94561616494 and 94561616503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94561616509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742064 + ... + 860105.

It is an arithmetic number, because the mean of its divisors is an integer number (23640819435).

Almost surely, 2^94561616549 is an apocalyptic number.

It is an amenable number.

94561616549 is a deficient number, since it is larger than the sum of its proper divisors (1661191).

94561616549 is a wasteful number, since it uses less digits than its factorization.

94561616549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661190.

The product of its digits is 6998400, while the sum is 56.

The spelling of 94561616549 in words is "ninety-four billion, five hundred sixty-one million, six hundred sixteen thousand, five hundred forty-nine".